{
  "lexicon": 1,
  "id": "fm.plyr.track",
  "defs": {
    "main": {
      "type": "record",
      "description": "A music track published to the AT Protocol network.",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["title", "artist", "audioUrl", "fileType", "createdAt"],
        "properties": {
          "title": {
            "type": "string",
            "description": "The title of the track.",
            "minLength": 1,
            "maxLength": 256
          },
          "artist": {
            "type": "string",
            "description": "The artist name (display name of the uploader).",
            "minLength": 1,
            "maxLength": 256
          },
          "audioUrl": {
            "type": "string",
            "format": "uri",
            "description": "URL to the audio file (currently R2 CDN URL)."
          },
          "fileType": {
            "type": "string",
            "description": "Audio file format extension (e.g., mp3, wav, flac).",
            "minLength": 1,
            "maxLength": 16
          },
          "album": {
            "type": "string",
            "description": "Album name this track belongs to.",
            "maxLength": 256
          },
          "duration": {
            "type": "integer",
            "description": "Duration in seconds.",
            "minimum": 0
          },
          "features": {
            "type": "array",
            "description": "Featured artists on this track.",
            "items": {
              "type": "ref",
              "ref": "#featuredArtist"
            },
            "maxLength": 10
          },
          "imageUrl": {
            "type": "string",
            "format": "uri",
            "description": "URL to cover artwork image."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "Timestamp when the track was uploaded."
          },
          "supportGate": {
            "type": "ref",
            "ref": "#supportGate",
            "description": "If set, this track requires viewer to be a supporter of the artist via atprotofans."
          }
        }
      }
    },
    "supportGate": {
      "type": "object",
      "description": "Configuration for supporter-gated content.",
      "required": ["type"],
      "properties": {
        "type": {
          "type": "string",
          "description": "The type of support required to access this content.",
          "knownValues": ["any"]
        }
      }
    },
    "featuredArtist": {
      "type": "object",
      "description": "A featured artist on a track.",
      "required": ["did", "handle"],
      "properties": {
        "did": {
          "type": "string",
          "format": "did",
          "description": "The DID of the featured artist."
        },
        "handle": {
          "type": "string",
          "format": "handle",
          "description": "The handle of the featured artist."
        },
        "displayName": {
          "type": "string",
          "description": "Display name of the featured artist.",
          "maxLength": 256
        }
      }
    }
  }
}